# include <iostream>
using namespace std;

int main(){
    int score = 10;
    switch (score)
    {
    case 10: printf("best");break;
    case 9: printf("excellen");break;
    case 8:printf("good");break;
    case 7:
    case 6:
        printf("good");break;
    default: printf("soso");break;
    }
}